Finding the Fourth Proportional to 879,606.44, 1,213,859.24 and 477,198.44
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Solution
The fourth proportional to 879,606.44, 1,213,859.24 and 477,198.44 is: 658,535.12
Step by Step Solution
- Step 1: Write the proportion equation
879,606.44 : 1,213,859.24 = 477,198.44 : x - Step 2: Convert to fraction form
879,606.44/1,213,859.24 = 477,198.44/x - Step 3: Cross multiply
879,606.44x = 1,213,859.24 × 477,198.44 - Step 4: Simplify right side
879,606.44x = 579,251,735,707.59 - Step 5: Solve for x
x = 579,251,735,707.59/879,606.44 - Step 6: Final answer
x = 658,535.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.